TinnerFlow™2nd YearDuct Systems
All dead-end round duct runs must be capped. An uncapped end is a major leak point and allows debris and rodents into the system. Use a spun-metal cap wit…
All dead-end round duct runs must be capped. An uncapped end is a major leak point and allows debris and rodents into the system. Use a spun-metal cap with sealant or mastic.
Do not hide, force, cover, or “make it work” if this affects safety, access, airflow, rated assemblies, supports, equipment, or inspection. Stop and verify the approved correction.